References
- A.I. T., 1986: Buffalo/fish and duck/fish integrated systems for small-scale farmers at the family level. — Asian Inst. Of Technol. Research Rep. No. 198, A. I. T., Bangkok, Thailand, 63 pp.
- Barash, H., Plavnik, I. & Moav, R., 1982: Integration of duck and fish farming: experimental results. — Aquaculture 27. 129–140.
- Boyd, C. E., 1976: Nitrogen fertilizer effects on production of Tilapia in ponds fertilized with phosphorus and potassium. — Aquaculture 7: 385–390.
- Colman, J. & Edwards, P., 1987: Feeding pathways and environmental constraints in waste-fed aquaculture: balance and optimization. — In: Moriarty, D. J. W. & Pullin, R. S. V. (Eds.), Detritus and Microbial Ecology in Aquaculture: 240–281. — ICLARM Conf. Proc. 14, Internat. Center for Living Aquatic Resources Management, Manila, Philippines.
- Colt, J. E. & Armstrong, D. A., 1981: Nitrogen toxicity to crustaceans, fish, and molluscs. — In: Allen, L. J. & Kinney, E. C. (Eds.), Proc. Bio-engineering Symp. for Fish Culture: 34–47. — Fish Culture Section, Amer. Fish. Soc., Bethesda, MD.
- Department of Fisheries, 1987: Freshwater fishfarm production 1985. — Report No. 6/1987. Dept. of Fisheries, Bangkok, Thailand.
- Edwards, P., 1983: The future potential of integrated farming systems in Asia. — Proc. V WCAP 1: 273–281.
- Egna, H. S., Brown, N. & Leslie, M., 1987: Pond Dynamics/Aquaculture Collaborative Research Data Reports. Vol. 1. General Reference: Site Descriptions, Materials and Methods for the Global Experiment. — Oregon State Univ., Corvallis, 84 pp.
- Gaviria, J. I., 1986: Acid sulphate soils: identification, formation and implications for aquaculture. — J. Aqua. Trap. 1: 99–109.
- Green, B. W., Phelps, R. P. & Alvararenga, H. R., 1989: The effect of manures and chemical fertilizers on the production of Oreochromis niloticus in earthen ponds. — Aquaculture 76: 37–42.
- Hopkins, K. D. & Cruz, E. M., 1982: The ICLARMCLSU integrated animal-fish farming project: final report. — ICLARM Techn. Reports 5: 96 pp. Internat. Center for Living Aquatic Resources Management, Philippines.
- Meade, J. W., 1985: Allowable ammonia for fish culture. — Prog. Fish-Cult. 47 (3): 135–145.
- Melack, J. M., Kilham, P. & Fisher, T. R., 1982: Responses of phytoplankton to experimental fertilization with ammonium and phosphate in an African soda lake. — Oecologia 52: 321–326.
- Moav, R., Wohlfarth, G., Schroeder, G. L., Hulata, G. & Barash, H., 1977: Intensive polyculture of fish in freshwater ponds. I. Substitution of expensive feeds by liquid cow manure. — Aquaculture 10: 25–41.
- Moss, B., 1969: Limitation of algal growth in some Central African waters. — Limnol. Oceanogr. 14: 591–601.
- Noriega-Curtis, P., 1979: Primary productivity and related fish yield in intensely manured fishponds. — Aquaculture 17: 335–344.
- Redfield, A. C, Ketchum, B. H. & Richards, F. A., 1963: The influence of organisms on the composition of sea water. — In: The Sea, Hill M. A. (Ed.), Vol. 2: 27–28. — Interscience Publ. New York.
- Ruffier, P. J., Boyle, W. C. & Kleinschmidt, J., 1981: Short-term acute bioassays to evaluate ammonia toxicity and effluent standards. — J. Water Poll. Contr. Fed. 53: 367–377.
- Schroeder, G. L. & Buck, H., 1987: Estimates of the relative contributions of organic and mineral contents of manure to fish growth. — J. Aqua. Trop. 2: 133–138.
- Setaro, F. V. & Melack, J. M., 1984: Responses of phytoplankton to experimental nutrient enrichment in an Amazon floodplain lake. — Limnol. Oceanogr. 29 (5): 972–984.
- Zaret, T. M., Devol, A. H. & Santos, A. D., 1981: Nutrient addition experiments in Lago Jacaretinga, Central Amazon Basin, Brasil. — Verh. Internat. Verein. Limnol. 21: 721–724.